10181340 has 144 divisors (see below), whose sum is σ = 35162400. Its totient is φ = 2363904.

The previous prime is 10181323. The next prime is 10181357. The reversal of 10181340 is 4318101.

It is an interprime number because it is at equal distance from previous prime (10181323) and next prime (10181357).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44346 + ... + 44574.

Almost surely, 2^10181340 is an apocalyptic number.

10181340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10181340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17581200).

10181340 is an abundant number, since it is smaller than the sum of its proper divisors (24981060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10181340 is a wasteful number, since it uses less digits than its factorization.

10181340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 10181340 is about 3190.8212109111. The cubic root of 10181340 is about 216.7379594450.

Adding to 10181340 its reverse (4318101), we get a palindrome (14499441).

The spelling of 10181340 in words is "ten million, one hundred eighty-one thousand, three hundred forty".